IL305813A - Improved centrifugal blood pump - Google Patents
Improved centrifugal blood pumpInfo
- Publication number
- IL305813A IL305813A IL305813A IL30581323A IL305813A IL 305813 A IL305813 A IL 305813A IL 305813 A IL305813 A IL 305813A IL 30581323 A IL30581323 A IL 30581323A IL 305813 A IL305813 A IL 305813A
- Authority
- IL
- Israel
- Prior art keywords
- blood pump
- pump device
- blood
- bearing
- amount
- Prior art date
Links
- 210000004369 blood Anatomy 0.000 title claims description 37
- 239000008280 blood Substances 0.000 title claims description 37
- 230000017531 blood circulation Effects 0.000 claims description 13
- 238000000034 method Methods 0.000 claims description 4
- 239000012530 fluid Substances 0.000 claims description 3
- 230000037361 pathway Effects 0.000 claims 2
- 238000005086 pumping Methods 0.000 claims 1
- 206010018910 Haemolysis Diseases 0.000 description 5
- 230000006378 damage Effects 0.000 description 5
- 238000002618 extracorporeal membrane oxygenation Methods 0.000 description 5
- 230000008588 hemolysis Effects 0.000 description 5
- 208000007536 Thrombosis Diseases 0.000 description 4
- 230000008901 benefit Effects 0.000 description 3
- 230000002612 cardiopulmonary effect Effects 0.000 description 3
- 208000032843 Hemorrhage Diseases 0.000 description 2
- 208000034158 bleeding Diseases 0.000 description 2
- 230000000740 bleeding effect Effects 0.000 description 2
- 210000000601 blood cell Anatomy 0.000 description 2
- 238000007675 cardiac surgery Methods 0.000 description 2
- 230000004087 circulation Effects 0.000 description 2
- 208000014674 injury Diseases 0.000 description 2
- 229910052594 sapphire Inorganic materials 0.000 description 2
- 239000010980 sapphire Substances 0.000 description 2
- 230000008733 trauma Effects 0.000 description 2
- 230000002861 ventricular Effects 0.000 description 2
- 206010019280 Heart failures Diseases 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000000157 blood function Effects 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 210000003743 erythrocyte Anatomy 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 230000000004 hemodynamic effect Effects 0.000 description 1
- 230000002949 hemolytic effect Effects 0.000 description 1
- 238000000338 in vitro Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 229920002635 polyurethane Polymers 0.000 description 1
- 239000004814 polyurethane Substances 0.000 description 1
- 230000000541 pulsatile effect Effects 0.000 description 1
- 230000000241 respiratory effect Effects 0.000 description 1
- 230000008718 systemic inflammatory response Effects 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M60/00—Blood pumps; Devices for mechanical circulatory actuation; Balloon pumps for circulatory assistance
- A61M60/10—Location thereof with respect to the patient's body
- A61M60/104—Extracorporeal pumps, i.e. the blood being pumped outside the patient's body
- A61M60/109—Extracorporeal pumps, i.e. the blood being pumped outside the patient's body incorporated within extracorporeal blood circuits or systems
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M60/00—Blood pumps; Devices for mechanical circulatory actuation; Balloon pumps for circulatory assistance
- A61M60/20—Type thereof
- A61M60/205—Non-positive displacement blood pumps
- A61M60/216—Non-positive displacement blood pumps including a rotating member acting on the blood, e.g. impeller
- A61M60/226—Non-positive displacement blood pumps including a rotating member acting on the blood, e.g. impeller the blood flow through the rotating member having mainly radial components
- A61M60/232—Centrifugal pumps
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M60/00—Blood pumps; Devices for mechanical circulatory actuation; Balloon pumps for circulatory assistance
- A61M60/30—Medical purposes thereof other than the enhancement of the cardiac output
- A61M60/36—Medical purposes thereof other than the enhancement of the cardiac output for specific blood treatment; for specific therapy
- A61M60/38—Blood oxygenation
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M60/00—Blood pumps; Devices for mechanical circulatory actuation; Balloon pumps for circulatory assistance
- A61M60/40—Details relating to driving
- A61M60/403—Details relating to driving for non-positive displacement blood pumps
- A61M60/419—Details relating to driving for non-positive displacement blood pumps the force acting on the blood contacting member being permanent magnetic, e.g. from a rotating magnetic coupling between driving and driven magnets
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M60/00—Blood pumps; Devices for mechanical circulatory actuation; Balloon pumps for circulatory assistance
- A61M60/40—Details relating to driving
- A61M60/403—Details relating to driving for non-positive displacement blood pumps
- A61M60/422—Details relating to driving for non-positive displacement blood pumps the force acting on the blood contacting member being electromagnetic, e.g. using canned motor pumps
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M60/00—Blood pumps; Devices for mechanical circulatory actuation; Balloon pumps for circulatory assistance
- A61M60/80—Constructional details other than related to driving
- A61M60/802—Constructional details other than related to driving of non-positive displacement blood pumps
- A61M60/804—Impellers
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M60/00—Blood pumps; Devices for mechanical circulatory actuation; Balloon pumps for circulatory assistance
- A61M60/80—Constructional details other than related to driving
- A61M60/802—Constructional details other than related to driving of non-positive displacement blood pumps
- A61M60/804—Impellers
- A61M60/806—Vanes or blades
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M60/00—Blood pumps; Devices for mechanical circulatory actuation; Balloon pumps for circulatory assistance
- A61M60/80—Constructional details other than related to driving
- A61M60/802—Constructional details other than related to driving of non-positive displacement blood pumps
- A61M60/818—Bearings
- A61M60/82—Magnetic bearings
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M60/00—Blood pumps; Devices for mechanical circulatory actuation; Balloon pumps for circulatory assistance
- A61M60/80—Constructional details other than related to driving
- A61M60/802—Constructional details other than related to driving of non-positive displacement blood pumps
- A61M60/818—Bearings
- A61M60/825—Contact bearings, e.g. ball-and-cup or pivot bearings
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US202163172882P | 2021-04-09 | 2021-04-09 | |
PCT/US2022/024233 WO2022217139A1 (en) | 2021-04-09 | 2022-04-11 | Improved centrifugal blood pump |
Publications (1)
Publication Number | Publication Date |
---|---|
IL305813A true IL305813A (en) | 2023-11-01 |
Family
ID=83546575
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IL305813A IL305813A (en) | 2021-04-09 | 2022-04-11 | Improved centrifugal blood pump |
Country Status (8)
Country | Link |
---|---|
EP (1) | EP4277691A1 (zh) |
JP (1) | JP2024514575A (zh) |
KR (1) | KR20230169216A (zh) |
CN (1) | CN117062646A (zh) |
AU (1) | AU2022253277A1 (zh) |
CA (1) | CA3209166A1 (zh) |
IL (1) | IL305813A (zh) |
WO (1) | WO2022217139A1 (zh) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN115804905B (zh) * | 2022-11-14 | 2024-03-01 | 心擎医疗(苏州)股份有限公司 | 一种导管泵 |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6302661B1 (en) * | 1996-05-03 | 2001-10-16 | Pratap S. Khanwilkar | Electromagnetically suspended and rotated centrifugal pumping apparatus and method |
WO2009157408A1 (ja) * | 2008-06-23 | 2009-12-30 | テルモ株式会社 | 血液ポンプ装置 |
CA2988997C (en) * | 2015-06-23 | 2024-04-09 | University Of Pittsburgh - Of The Commonwealth System Of Higher Education | Extracorporeal ambulatory assist lung |
-
2022
- 2022-04-11 AU AU2022253277A patent/AU2022253277A1/en active Pending
- 2022-04-11 JP JP2023561844A patent/JP2024514575A/ja active Pending
- 2022-04-11 IL IL305813A patent/IL305813A/en unknown
- 2022-04-11 CA CA3209166A patent/CA3209166A1/en active Pending
- 2022-04-11 KR KR1020237038313A patent/KR20230169216A/ko unknown
- 2022-04-11 EP EP22785588.9A patent/EP4277691A1/en active Pending
- 2022-04-11 WO PCT/US2022/024233 patent/WO2022217139A1/en active Application Filing
- 2022-04-11 CN CN202280024666.3A patent/CN117062646A/zh active Pending
Also Published As
Publication number | Publication date |
---|---|
CN117062646A (zh) | 2023-11-14 |
AU2022253277A1 (en) | 2023-09-07 |
EP4277691A1 (en) | 2023-11-22 |
KR20230169216A (ko) | 2023-12-15 |
CA3209166A1 (en) | 2022-10-13 |
WO2022217139A1 (en) | 2022-10-13 |
JP2024514575A (ja) | 2024-04-02 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
RU2637605C1 (ru) | Микроаксиальный насос поддержки кровообращения (варианты) | |
EP0897476B1 (en) | Hybrid magnetically suspended and rotated centrifugal pumping apparatus and method | |
US6302661B1 (en) | Electromagnetically suspended and rotated centrifugal pumping apparatus and method | |
US7699586B2 (en) | Wide blade, axial flow pump | |
Akamatsu et al. | Recent studies of the centrifugal blood pump with a magnetically suspended impeller | |
US20140288354A1 (en) | Fluid transport apparatus | |
WO1997042414A1 (en) | Electromagnetically suspended and rotated centrifugal pumping apparatus and method | |
IL305813A (en) | Improved centrifugal blood pump | |
CN112156255B (zh) | 一种体外循环磁轮一体化的磁悬浮离心血泵 | |
Yamane et al. | Hemocompatibility of a hydrodynamic levitation centrifugal blood pump | |
Puentener et al. | The influence of impeller geometries on hemolysis in bearingless centrifugal pumps | |
CN111514393A (zh) | 一种带有轴流和离心结构的人工心脏血泵 | |
US20230381489A1 (en) | Implantable centrifugal cardiac assist pump having permanent magnets embedded in impeller | |
Takami et al. | Mapping of Pump Efficiency on the Pressure‐Flow Curve of a Centrifugal Blood Pump | |
Liu et al. | Numerical design of a partial-support axial blood pump | |
Anai et al. | Relationship between pump speed design and hemolysis in an axial flow blood pump | |
AU766439B2 (en) | Hybrid magnetically suspended and rotated centrifugal pumping apparatus and method | |
Ariyoshi et al. | High Pressure-type Rotary Blood Pump with a New Principle | |
CN117357784A (zh) | 用于心脏辅助装置的叶轮及心脏辅助装置 | |
Kosaka et al. | Improvement of hemolysis in a centrifugal blood pump with hydrodynamic bearings and semi-open impeller | |
Chan et al. | Preliminary hydraulic performance characterization of an axial blood pump | |
Khanwilkar et al. | General Session “Rotary Blood Pump” | |
Tan | Reduced size bi-flow centrifugal pump as ventricular assist device for end-stage patients | |
JPH05212111A (ja) | 血液ポンプ | |
JPH05212110A (ja) | 血液ポンプ |